Replace existing noqa with ruff syntax

Author: jsakv

causalpy/pymc_experiments.py

@@ -11,7 +11,7 @@
 
 """
 
-import warnings
+import warnings  # noqa: I001
 from typing import Union
 
 import arviz as az
@@ -23,7 +23,7 @@
 from patsy import build_design_matrices, dmatrices
 from sklearn.linear_model import LinearRegression as sk_lin_reg
 
-from causalpy.custom_exceptions import BadIndexException  # NOQA
+from causalpy.custom_exceptions import BadIndexException
 from causalpy.custom_exceptions import DataException, FormulaException
 from causalpy.plot_utils import plot_xY
 from causalpy.utils import _is_variable_dummy_coded

causalpy/tests/test_input_validation.py

@@ -1,11 +1,11 @@
 """Input validation tests"""
 
-import numpy as np
+import numpy as np  # noqa: I001
 import pandas as pd
 import pytest
 
 import causalpy as cp
-from causalpy.custom_exceptions import BadIndexException  # NOQA
+from causalpy.custom_exceptions import BadIndexException
 from causalpy.custom_exceptions import DataException, FormulaException
 
 sample_kwargs = {"tune": 20, "draws": 20, "chains": 2, "cores": 2}